Classification / Names
Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa
Teleostei (teleosts) >
Cypriniformes (Carps) >
Nemacheilidae (Brook loaches)
Etymology: Triplophysa: Greek, triplos = thrice + Greek, physa = tube (Ref. 45335); shannanensis: Name shannanensis from the type locality of the species, Shannan Prefecture.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Freshwater; benthopelagic. High altitude
Asia: China.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 9.6 cm SL (female)
Short description
Identification keys | Morphology | Morphometrics
Dorsal soft rays (total): 8. This species is distinguished by the following set of characters: posterior chamber of swim bladder developed, ovoid, directly connects to the anterior chamber; intestine short, zigzag-shaped with two loops; lower jaw spoon-like, blunt and covered by lips; complete lateral line; snout length shorter than postorbital length, snout length 70.0-93.0% (mean 81.6%) of postorbital length; dorsal fin origin anterior to the ventral fin origin, predorsal length 91.7-98.3% (95.2%) of preventral length; ventral fins at the same vertical with the second branched dorsal fin ray, and tips of ventral fins reaching to anus or close anal fin origin; caudal peduncle depth almost uniform toward to caudal origin, caudal peduncle depth 30.5-49.1% (37.3%) of its length; vertebrae 4 + 36-38 (n = 6); gill rakers 10-11 (n = 4).
Body shape (shape guide): elongated; Cross section: oval.
This species inhabits transparent, cool, and slow-flowing rivers 0.3 to 0.8 meters deep, with a substrate composed of mud, sand and gravel, and riverbed surface of periphytic algae (Ref. 132441).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Wang, M., J. Huang, Y. Chen and D. He, 2024. Trilophysa shannanensis, a new species of Tibetan stone loach (Nemacheilidae) from the Yarlung Tsangpo-Brahmaputra river, Tibet. J. Ichthyol. 64:177-201. (Ref. 132441)
IUCN Red List Status (Ref. 130435: Version 2025-2)
Threat to humans
Harmless
Human uses
Fisheries: of no interest
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